US4677264A - Contact material for vacuum circuit breaker - Google Patents

Contact material for vacuum circuit breaker Download PDF

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Publication number
US4677264A
US4677264A US06/804,616 US80461685A US4677264A US 4677264 A US4677264 A US 4677264A US 80461685 A US80461685 A US 80461685A US 4677264 A US4677264 A US 4677264A
Authority
US
United States
Prior art keywords
contact material
boride
chromium
weight
circuit breaker
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US06/804,616
Other languages
English (en)
Inventor
Mitsuhiro Okumura
Eizo Naya
Mitsuhiro Harima
Shoji Murakami
Seiichi Miyamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP27604184A external-priority patent/JPS61148726A/ja
Priority claimed from JP27604384A external-priority patent/JPS61148728A/ja
Priority claimed from JP27604284A external-priority patent/JPS61148727A/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Assigned to MITSUBISHI DENKI KABUSHIKI KAISHA reassignment MITSUBISHI DENKI KABUSHIKI KAISHA ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: HARIMA, MITSUHIRO, MIYAMOTO, SEIICHI, MURAKAMI, SHOJI, NAYA, EIZO, OKUMURA, MITSUHIRO
Application granted granted Critical
Publication of US4677264A publication Critical patent/US4677264A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/0203—Contacts characterised by the material thereof specially adapted for vacuum switches
    • H01H1/0206—Contacts characterised by the material thereof specially adapted for vacuum switches containing as major components Cu and Cr
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
    • C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
    • C22C32/0073—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only borides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Contacts (AREA)
  • Manufacture Of Switches (AREA)
US06/804,616 1984-12-24 1985-12-05 Contact material for vacuum circuit breaker Expired - Lifetime US4677264A (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP59-276043 1984-12-24
JP59-276042 1984-12-24
JP27604184A JPS61148726A (ja) 1984-12-24 1984-12-24 真空しや断器用接点材料
JP27604384A JPS61148728A (ja) 1984-12-24 1984-12-24 真空しや断器用接点材料
JP27604284A JPS61148727A (ja) 1984-12-24 1984-12-24 真空しや断器用接点材料
JP59-276041 1984-12-24

Publications (1)

Publication Number Publication Date
US4677264A true US4677264A (en) 1987-06-30

Family

ID=27336312

Family Applications (1)

Application Number Title Priority Date Filing Date
US06/804,616 Expired - Lifetime US4677264A (en) 1984-12-24 1985-12-05 Contact material for vacuum circuit breaker

Country Status (2)

Country Link
US (1) US4677264A (de)
DE (1) DE3543586A1 (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4766274A (en) * 1988-01-25 1988-08-23 Westinghouse Electric Corp. Vacuum circuit interrupter contacts containing chromium dispersions
US4909841A (en) * 1989-06-30 1990-03-20 Westinghouse Electric Corp. Method of making dimensionally reproducible compacts
US5212407A (en) * 1990-10-04 1993-05-18 International Business Machines Corporation Digital phase match discriminator for three-phase power
US5330702A (en) * 1989-05-31 1994-07-19 Siemens Aktiengesellschaft Process for producing CuCr contact pieces for vacuum switches as well as an appropriate contact piece
US5653827A (en) * 1995-06-06 1997-08-05 Starline Mfg. Co., Inc. Brass alloys
US6350294B1 (en) 1999-01-29 2002-02-26 Louis Renner Gmbh Powder-metallurgically produced composite material and method for its production
US20090276891A1 (en) * 2008-05-05 2009-11-05 Monsanto Technology Llc Plants and seeds of corn variety cv580523
CN112908734A (zh) * 2019-12-04 2021-06-04 西安西电高压开关有限责任公司 一种大电流断路器触头及其制备方法
CN112908733A (zh) * 2019-12-04 2021-06-04 西安西电高压开关有限责任公司 一种合金弧触头、其制备方法及其应用

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4810289A (en) * 1988-04-04 1989-03-07 Westinghouse Electric Corp. Hot isostatic pressing of high performance electrical components
US4954170A (en) * 1989-06-30 1990-09-04 Westinghouse Electric Corp. Methods of making high performance compacts and products

Citations (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE586666C (de) * 1931-05-06 1933-10-25 Patra Patent Treuhand Elektrischer Kontakt aus schwer schmelzbaren Metallen, insbesondere fuer Vakuumunterbrecher
DE705358C (de) * 1936-10-24 1941-04-25 Siemens & Halske Akt Ges Vakuumschalter
DE705564C (de) * 1936-10-29 1941-05-02 Siemens & Halske Akt Ges Vakuumschalter
US3379846A (en) * 1964-04-21 1968-04-23 English Electric Co Ltd Electrodes for electric devices operable in a vacuum
US3514559A (en) * 1967-03-27 1970-05-26 Mc Graw Edison Co Vacuum type circuit interrupter
DE2124707A1 (de) * 1971-05-18 1972-08-03 Siemens Ag
DE2310317A1 (de) * 1973-03-01 1974-09-05 Siemens Ag Mehrbereichskontakt fuer vakuumschaltroehren
US3859087A (en) * 1973-02-01 1975-01-07 Gte Sylvania Inc Manufacture of electrical contact materials
SU517065A1 (ru) * 1974-05-20 1976-06-05 Предприятие П/Я Р-6517 Контактна система вакуумного выключател
US3993481A (en) * 1972-05-10 1976-11-23 Siemens Aktiengesellschaft Contact material for high-power vacuum circuit breakers
US4014689A (en) * 1972-05-10 1977-03-29 Siemens Aktiengesellschaft Method of fabricating a contact material for high-power vacuum circuit breakers
US4014688A (en) * 1972-05-10 1977-03-29 Siemens Aktiengesellschaft Contact material for high-power vacuum circuit breakers
DE2619459A1 (de) * 1976-05-03 1977-12-01 Siemens Ag Sinterverbundwerkstoff als kontaktwerkstoff fuer vakuum-mittelspannungs- leistungsschalter
DE3027732A1 (de) * 1979-07-27 1981-02-12 Mitsubishi Electric Corp Kontakt fuer einen vakuumleistungsschalter
US4302514A (en) * 1978-05-31 1981-11-24 Mitsubishi Denki Kabushiki Kaisha Contact for vacuum interrupter
WO1982001960A1 (en) * 1980-11-28 1982-06-10 Rodionov Valery V Method of preparation of contacts and electrodes of vacuum electric apparatuses
DE3150846A1 (de) * 1981-09-16 1983-03-31 Mitsubishi Denki K.K., Tokyo Kontaktgeber fuer einen stromunterbrecher vom vakuum-typ
US4419551A (en) * 1977-05-27 1983-12-06 Mitsubishi Denki Kabushiki Kaisha Vacuum circuit interrupter and method of producing the same
DE3303170A1 (de) * 1983-01-31 1984-08-02 Siemens AG, 1000 Berlin und 8000 München Verfahren zum herstellen von kupfer-chrom-schmelzlegierungen als kontaktwerkstoff fuer vakuum-leistungsschalter
WO1985003802A1 (en) * 1984-02-16 1985-08-29 Mitsubishi Denki Kabushiki Kaisha Contact material for vacuum breaker
EP0155322A1 (de) * 1983-09-02 1985-09-25 Hitachi, Ltd. Elektrode eines vakuumschalters

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE651594C (de) * 1933-04-29 1937-10-16 Gluehfadenfabrik Richard Kurtz Kontaktwerkstoff fuer elektrische Vorrichtungen

Patent Citations (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE586666C (de) * 1931-05-06 1933-10-25 Patra Patent Treuhand Elektrischer Kontakt aus schwer schmelzbaren Metallen, insbesondere fuer Vakuumunterbrecher
DE705358C (de) * 1936-10-24 1941-04-25 Siemens & Halske Akt Ges Vakuumschalter
DE705564C (de) * 1936-10-29 1941-05-02 Siemens & Halske Akt Ges Vakuumschalter
US3379846A (en) * 1964-04-21 1968-04-23 English Electric Co Ltd Electrodes for electric devices operable in a vacuum
US3514559A (en) * 1967-03-27 1970-05-26 Mc Graw Edison Co Vacuum type circuit interrupter
DE2124707A1 (de) * 1971-05-18 1972-08-03 Siemens Ag
US3948652A (en) * 1971-05-18 1976-04-06 Siemens Aktiengesellschaft Contact material for high-power vacuum circuit breakers
US4014689A (en) * 1972-05-10 1977-03-29 Siemens Aktiengesellschaft Method of fabricating a contact material for high-power vacuum circuit breakers
US4014688A (en) * 1972-05-10 1977-03-29 Siemens Aktiengesellschaft Contact material for high-power vacuum circuit breakers
US3993481A (en) * 1972-05-10 1976-11-23 Siemens Aktiengesellschaft Contact material for high-power vacuum circuit breakers
US3859087A (en) * 1973-02-01 1975-01-07 Gte Sylvania Inc Manufacture of electrical contact materials
DE2310317A1 (de) * 1973-03-01 1974-09-05 Siemens Ag Mehrbereichskontakt fuer vakuumschaltroehren
SU517065A1 (ru) * 1974-05-20 1976-06-05 Предприятие П/Я Р-6517 Контактна система вакуумного выключател
DE2619459A1 (de) * 1976-05-03 1977-12-01 Siemens Ag Sinterverbundwerkstoff als kontaktwerkstoff fuer vakuum-mittelspannungs- leistungsschalter
US4147909A (en) * 1976-05-03 1979-04-03 Siemens Aktiengesellschaft Sintered composite material as contact material for medium-voltage vacuum power circuit breakers
US4419551A (en) * 1977-05-27 1983-12-06 Mitsubishi Denki Kabushiki Kaisha Vacuum circuit interrupter and method of producing the same
US4302514A (en) * 1978-05-31 1981-11-24 Mitsubishi Denki Kabushiki Kaisha Contact for vacuum interrupter
US4372783A (en) * 1979-07-27 1983-02-08 Mitsubishi Denki Kabushiki Kaisha Electrical contact composition for a vacuum type circuit interrupter
DE3027732A1 (de) * 1979-07-27 1981-02-12 Mitsubishi Electric Corp Kontakt fuer einen vakuumleistungsschalter
WO1982001960A1 (en) * 1980-11-28 1982-06-10 Rodionov Valery V Method of preparation of contacts and electrodes of vacuum electric apparatuses
US4420346A (en) * 1980-11-28 1983-12-13 Belkin German S Method of preparing contacts and electrodes of electric vacuum apparatuses
DE3150846A1 (de) * 1981-09-16 1983-03-31 Mitsubishi Denki K.K., Tokyo Kontaktgeber fuer einen stromunterbrecher vom vakuum-typ
US4424429A (en) * 1981-09-16 1984-01-03 Mitsubishi Denki Kabushiki Kaisha Contactor for vacuum type circuit interrupter
DE3303170A1 (de) * 1983-01-31 1984-08-02 Siemens AG, 1000 Berlin und 8000 München Verfahren zum herstellen von kupfer-chrom-schmelzlegierungen als kontaktwerkstoff fuer vakuum-leistungsschalter
US4537745A (en) * 1983-01-31 1985-08-27 Siemens Aktiengesellschaft Method of producing copper-chromium fusion alloys as contact material for vacuum power switches
EP0155322A1 (de) * 1983-09-02 1985-09-25 Hitachi, Ltd. Elektrode eines vakuumschalters
WO1985003802A1 (en) * 1984-02-16 1985-08-29 Mitsubishi Denki Kabushiki Kaisha Contact material for vacuum breaker

Non-Patent Citations (10)

* Cited by examiner, † Cited by third party
Title
DE Buch: Dr. St ckel u.a.: Expert Verlag: Werkstoffe f r Elektrische Kontakte, Grafenau/W rtt. 1930, S.118 123. *
DE Firmenschrift: Gasarme Werstoffe F r Vakuumschalter DODUCO, Nr. 480. *
DE Z: Elektrotechnik, 63, H.8, Apr. 1981, S.26 28. *
DE Z: Metall, 38.Jg., H.7, Jul. 1984, S.647 651. *
DE-Buch: Dr. Stockel u.a.: Expert Verlag: Werkstoffe fur Elektrische Kontakte, Grafenau/Wurtt. 1930, S.118-123.
DE-Firmenschrift: Gasarme Werstoffe Fur Vakuumschalter DODUCO, Nr. 480.
DE-Z: Elektrotechnik, 63, H.8, Apr. 1981, S.26-28.
DE-Z: Metall, 38.Jg., H.7, Jul. 1984, S.647-651.
US Z: Proceedings of the 12th International Conference on Electric Contact Phenomena 1984, S.349 355. *
US-Z: Proceedings of the 12th International Conference on Electric Contact Phenomena 1984, S.349-355.

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4766274A (en) * 1988-01-25 1988-08-23 Westinghouse Electric Corp. Vacuum circuit interrupter contacts containing chromium dispersions
US5330702A (en) * 1989-05-31 1994-07-19 Siemens Aktiengesellschaft Process for producing CuCr contact pieces for vacuum switches as well as an appropriate contact piece
US4909841A (en) * 1989-06-30 1990-03-20 Westinghouse Electric Corp. Method of making dimensionally reproducible compacts
AU625132B2 (en) * 1989-06-30 1992-07-02 Westinghouse Electric Corporation Method of making dimensionally reproducible compacts
US5212407A (en) * 1990-10-04 1993-05-18 International Business Machines Corporation Digital phase match discriminator for three-phase power
US5653827A (en) * 1995-06-06 1997-08-05 Starline Mfg. Co., Inc. Brass alloys
US6350294B1 (en) 1999-01-29 2002-02-26 Louis Renner Gmbh Powder-metallurgically produced composite material and method for its production
US20090276891A1 (en) * 2008-05-05 2009-11-05 Monsanto Technology Llc Plants and seeds of corn variety cv580523
CN112908734A (zh) * 2019-12-04 2021-06-04 西安西电高压开关有限责任公司 一种大电流断路器触头及其制备方法
CN112908733A (zh) * 2019-12-04 2021-06-04 西安西电高压开关有限责任公司 一种合金弧触头、其制备方法及其应用
CN112908733B (zh) * 2019-12-04 2024-01-26 西安西电高压开关有限责任公司 一种合金弧触头、其制备方法及其应用
CN112908734B (zh) * 2019-12-04 2024-01-26 西安西电高压开关有限责任公司 一种大电流断路器触头及其制备方法

Also Published As

Publication number Publication date
DE3543586A1 (de) 1986-07-10
DE3543586C2 (de) 1992-07-09

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Owner name: MITSUBISHI DENKI KABUSHIKI KAISHA, 2-3, MARUNOUCHI

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Effective date: 19851125

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